Air purifier



FIG. 1 is a front perspective view of an air purifier showing our newdesign according to our first embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged view of the encircled portion in FIG. 1;

FIG. 9 is an enlarged view of the encircled portion in FIG. 4;

FIG. 10 is an enlarged view of the encircled portion in FIG. 4;

FIG. 11 is another perspective view of the air purifier shown in analternate position;

FIG. 12 is a front perspective view of an air purifier showing our newdesign according to our second embodiment;

FIG. 13 is a front view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a left-side view thereof;

FIG. 16 is a right-side view thereof;

FIG. 17 is a top view thereof;

FIG. 18 is a bottom view thereof;

FIG. 19 is an enlarged view of the encircled portion in FIG. 12;

FIG. 20 is an enlarged view of the encircled portion in FIG. 15;

FIG. 21 is an enlarged view of the encircled portion in FIG. 15; and,

FIG. 22 is another perspective view of the air purifier shown in analternate position.

The evenly spaced broken lines in the figures depict portions of the airpurifier which form no part of the claimed design.

The uneven dot-dash broken line encircling portions of the claimeddesign that are illustrated in enlargements form no part of the claimeddesign.

CLAIM We claim the ornamental design for an air purifier, as shown anddescribed.